3-(4-bromobutyl)-6,7-dimethoxychromen-4-one 、
间羟基苯基哌嗪 反应 0.25h,
以3-{4-[4-(3-hydroxyphenyl)-piperazin-1-yl]-butyl}-6,7-dimethoxychromen-4-one is obtained in a similar manner to Example 1 in a yield of 17%的产率得到3-{4-[4-(3-dihydroxyphenyl)piperazin-1-yl]butyl}-6,7-dimethoxychromen-4-one